1. Go to avasys.jp
  2. Select AcuLaser C3000 and fill required details: Distribution -> Others
  3. Download the Source file for CUPS : Epson-ALC3000-filter-1.0.tar.gz i’ve done a backup file: Epson-ALC3000-filter-1.0.tar.gz
  4. Install required dependencies and build environment: sudo apt-get install libcups2-dev build-essential libstdc++5 bc
  5. in the Terminal cd to the directory where you downloaded the tar file and type this:
  6. tar -zxvf Epson-ALC3000-filter-1.1.tar.gz
cd Epson-ALC3000-filter-1.1
sudo ./configure
sudo make install
  7. Now the driver is installed and you can simply add the printer using the System > Administration > Printing menu . Your printer should show up in the list when you click add new printer button. select it and just click forward, the recommended driver is already selected so click forward and finish adding the printer. You may get an error about pstoalc3000.sh not installed, don’t worry.
  8. Now copy the files alc3000, alc3000_lprwrapper.sh and pstoalc3000.sh from /usr/local/bin to /usr/lib/cups/filter: sudo cp /usr/local/bin/*c3000* /usr/lib/cups/filter/
  9. Print a test page, It Works!

More Info can be found in: wiki.ubuntu.com & ubuntuforums.org